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SECOR <br /> InternahonalIncorporated <br /> Logged By Dates Drilled Drilling Contractor Project Name Method/Equipment Boring Number <br /> 719101 WEST ARCO#4932 CONTINUOUS CORE <br /> • -- —CM = 719101— HAZMAT -- STOCKTON, CA - -- — -HSA- --- -- SB-1= <br /> See"Legend to Logs"for Boring Surface Groundwater Depth(ft} Total Drive Drop <br /> 1 sampling method Diam(in) Elev(ft) SZ 27 5 FIRST Depth(ft) wt(lbs) Dist(in) <br /> classifications and laboratory 8 NA t 28 5 STABILIZED 80 5 NA NA <br /> testing methods T <br /> �i <br /> o <br /> Well 's Q� Description <br /> Construction °' A <br /> 0 <br /> SANDY SILT(ML) dark yellowish brown(10YR4/4),with clay,fine-grained sand, <br /> low plasticity,very stiff,moist(0,30,55,15) <br /> 55 <br /> 2 <br /> 1 <br /> 60 <br /> Same as above <br /> ' Same as above,partially cemented <br /> 65 SILTY SAND(SM) olive brown(2 5Y4/3),fine-grained sand,dense,wet <br /> (0,80,20,0) l <br /> SAND (SP): dark yellowish brown(10YR3/4),fine-grained,dense,wet(0,100,0,0) <br /> 1 <br /> ' GROUT 70 l <br /> ItEfU 1 <br /> SANDY SILT(ML) light olive brown(2 5Y513),with clay,fine-grained sand, <br /> moderate plasticity,very stiff,moist,granular structure(0,30,60,10) <br /> ' The substrata descriptions above are generalized representations and based upon visuallmanual classification of cuttings and/or <br /> samples obtained during drilling Predominant material types shown on the log may contain different materials and the change from <br /> one predominant material type to another could be dtfferent than indicated Descriptions on this tog apply only at the specific location <br /> ' at the tune of dnlling and may not be representative of subsurface conditions at other locations or times <br /> • Project No 077 43286 330 Date 8/14/01 PR Log of Boring <br /> ' 4932SB 1 GPJ Approved by <br /> LOG OF BOREHOLE <br /> Figure (sheet 3 of 4) <br /> 1 <br />